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Calibration Procedures for Imaging Spectrometers: Improving Data Quality from Satellite Missions to UAV Campaigns

Brachmann, Johannes and Baumgartner, Andreas and Lenhard, Karim and Schwarzmaier, Thomas (2016) Calibration Procedures for Imaging Spectrometers: Improving Data Quality from Satellite Missions to UAV Campaigns. In: Proceedings of SPIE, pp. 1-12. SPIE Digital Library. SPIE Remote Sensing 2016, 26 - 29 September 2016, Edinburgh, UK.

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Official URL: https://spie.org/ERS/conferencedetails/sensors-systems-next-generation-satellites


The Calibration Home Base (CHB) at the Remote Sensing Technology Institute of the German Aerospace Center (DLR-IMF) is an optical laboratory designed for the calibration of imaging spectrometers for the VNIR/SWIR wavelength range. Radiometric, spectral and geometric characterization is realized in the CHB in a precise and highly automated fashion. This allows performing a wide range of time consuming measurements in an effcient way. The implementation of ISO 9001 standards ensures a traceable quality of results. DLR-IMF will support the calibration and characterization campaign of the future German spaceborne hyperspectral imager EnMAP. In the context of this activity, a procedure for the correction of imaging artifacts, such as due to stray light, is currently being developed by DLR-IMF. Goal is the correction of in-band stray light as well as ghost images down to a level of a few digital numbers in the whole wavelength range 420-2450 nm. DLR-IMF owns a Norsk Elektro Optikks HySpex airborne imaging spectrometer system that has been thoroughly characterized. This system will be used to test stray light calibration procedures for EnMAP. Hyperspectral snapshot sensors offer the possibility to simultaneously acquire hyperspectral data in two dimensions. Recently, these rather new spectrometers have arisen much interest in the remote sensing community. Different designs are currently used for local area observation such as by use of small unmanned aerial vehicles (sUAV). In this context the CHB's measurement capabilities are currently extended such that a standard measurement procedure for these new sensors will be implemented.

Item URL in elib:https://elib.dlr.de/106545/
Document Type:Conference or Workshop Item (Speech)
Title:Calibration Procedures for Imaging Spectrometers: Improving Data Quality from Satellite Missions to UAV Campaigns
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Brachmann, JohannesJohannes.Brachmann (at) dlr.deUNSPECIFIED
Baumgartner, AndreasAndreas.Baumgartner (at) dlr.deUNSPECIFIED
Lenhard, Karimkarim.lenhard (at) dlr.deUNSPECIFIED
Schwarzmaier, Thomasthomas.schwarzmaier (at) dlr.deUNSPECIFIED
Date:September 2016
Journal or Publication Title:Proceedings of SPIE
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 1-12
Publisher:SPIE Digital Library
Keywords:Hyperspectral, Imaging Spectrometer, Calibration, Stray Light, EnMAP, CHB, HySpex
Event Title:SPIE Remote Sensing 2016
Event Location:Edinburgh, UK
Event Type:international Conference
Event Dates:26 - 29 September 2016
Organizer:SPIE Org.
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Vorhaben Spektrometrische Verfahren und Konzepte der Fernerkundung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Experimental Methods
Deposited By: Brachmann, Johannes
Deposited On:11 Oct 2016 15:57
Last Modified:31 Jul 2019 20:03

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